commit	69932e4d692f20615935db0d48f45b21a89cae23	[log] [tgz]
author	Matt Arsenault <Matthew.Arsenault@amd.com>	Mon Mar 19 14:07:15 2018 +0000
committer	Matt Arsenault <Matthew.Arsenault@amd.com>	Mon Mar 19 14:07:15 2018 +0000
tree	fb8a00b0e01ac285170c95f7bc35eae639489f4f
parent	1af12b587bee97e6a4926e842b181643abce6504 [diff]

AMDGPU: Don't leave dead illegal VGPR->SGPR copies

Normally DCE kills these, but at -O0 these get left behind
leaving suspicious looking illegal copies.

Replace with IMPLICIT_DEF to avoid iterator issues.

llvm-svn: 327842

llvm/lib/Target/AMDGPU/SIInstrInfo.cpp[diff]
llvm/test/CodeGen/AMDGPU/control-flow-fastregalloc.ll[diff]
llvm/test/CodeGen/AMDGPU/si-fix-sgpr-copies.mir[diff]

3 files changed

tree: fb8a00b0e01ac285170c95f7bc35eae639489f4f

clang/
clang-tools-extra/
compiler-rt/
debuginfo-tests/
libclc/
libcxx/
libcxxabi/
libunwind/
lld/
lldb/
llgo/
llvm/
openmp/
parallel-libs/
polly/
README.md

README.md

Low Level Virtual Machine (LLVM)

This directory and its subdirectories contain source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and runtime environments.